General

  • Target

    81bd54699fc30f8930b3e50b26e2644a69eb7902370f6fcff728ea98b7ac09c7.exe

  • Size

    1.7MB

  • Sample

    241123-n3rxpatrfy

  • MD5

    46ba1f1d7fd0f18ae42ff50221bf0638

  • SHA1

    d30fc2ef95d7ecb8db4ae8460e2e683d856f9c39

  • SHA256

    81bd54699fc30f8930b3e50b26e2644a69eb7902370f6fcff728ea98b7ac09c7

  • SHA512

    524902a64a8cff52bb6dc5f7f73717a48a164f41171d59e3caa55c272c8d2d8fdf0c7d92fd366baac5b6cac42d900add71f647221830feefa7b145e83ce5fcbc

  • SSDEEP

    49152:MmpA7+7syjBToHlWWJ5fyqkAn9KHRp0Yz9R9lrz7:MmlmHoWrqhfRp04tv

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      81bd54699fc30f8930b3e50b26e2644a69eb7902370f6fcff728ea98b7ac09c7.exe

    • Size

      1.7MB

    • MD5

      46ba1f1d7fd0f18ae42ff50221bf0638

    • SHA1

      d30fc2ef95d7ecb8db4ae8460e2e683d856f9c39

    • SHA256

      81bd54699fc30f8930b3e50b26e2644a69eb7902370f6fcff728ea98b7ac09c7

    • SHA512

      524902a64a8cff52bb6dc5f7f73717a48a164f41171d59e3caa55c272c8d2d8fdf0c7d92fd366baac5b6cac42d900add71f647221830feefa7b145e83ce5fcbc

    • SSDEEP

      49152:MmpA7+7syjBToHlWWJ5fyqkAn9KHRp0Yz9R9lrz7:MmlmHoWrqhfRp04tv

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks